fix: Use re.search for regex check (#1142)

Author: hoxbro

param/parameterized.py

@@ -2255,7 +2255,7 @@ def __init__(
     def _validate_regex(self, val: t.Any, regex: str | re.Pattern[str] | None):
         if val is None or regex is None:
             return
-        if re.fullmatch(regex, val) is None:
+        if re.search(regex, val) is None:
             raise ValueError(
                 f'{_validate_error_prefix(self)} value {val!r} does not '
                 f'match regex {regex!r}.'

param/parameters.py

@@ -4236,7 +4236,7 @@ def _validate_value(self, value, allow_None):
     def _validate_allow_named(self, val, allow_named):
         if val is None:
             return
-        is_hex = re.fullmatch('^#?(([0-9a-fA-F]{2}){3}|([0-9a-fA-F]){3})$', val)
+        is_hex = re.search('^#?(([0-9a-fA-F]{2}){3}|([0-9a-fA-F]){3})$', val)
         if self.allow_named:
             if not is_hex and val.lower() not in self._named_colors:
                 raise ValueError(
@@ -4319,7 +4319,7 @@ def __init__(
     def _validate_regex(self, val, regex):
         if val is None or regex is None:
             return
-        if re.fullmatch(regex, val) is None:
+        if re.search(regex, val) is None:
             raise ValueError(
                 f"{_validate_error_prefix(self)} value {val!r} "
                 f"does not match regex {regex!r}."